Omega Speedmaster Speedmaster Professional Moonwatch 3861 Sedna Gold - Diamond / Brown / Bracelet
Reference 310.55.42.50.13.001
About this watch
The Omega Speedmaster Professional Moonwatch 3861 Sedna Gold - Diamond / Brown / Bracelet is a masterpiece of horology, blending art, history, and cutting-edge technology. Crafted from Sedna Gold, this watch boasts a unique color that's both warm and striking. Its round shape and sunburst brown finish give it a luxurious feel, while the diamond-set bezel adds a touch of elegance. The 3861 is equipped with a chronograph feature, allowing you to measure elapsed time with precision. At its heart lies the Omega caliber 3861, an updated version of the legendary caliber 861/1861, featuring a co-axial escapement and silicon balance spring for accuracy and reliability. Master Chronometer certified by METAS, this watch has undergone rigorous testing to withstand magnetic fields of up to 15,000 gauss. Its sleek design and exceptional craftsmanship make it a standout in any collection. Whether you're at a formal event or a casual outing, this watch is sure to turn heads.
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Key Features
- Sedna Gold case
- Manual-winding chronograph movement
- Co-axial escapement and silicon balance spring
- Master Chronometer certified by METAS
- Diamond-set bezel
- Water resistance up to 50 meters
- 42.00 mm diameter and 13.18 mm height
Specifications
- Brand
- Omega
- Family
- Speedmaster
- Model
- Speedmaster Professional Moonwatch 3861 Sedna Gold - Diamond / Brown / Bracelet
- Reference
- 310.55.42.50.13.001
- Movement
- 3861
- Movement Features
-
- Small Seconds, Hours, Minutes
- Chronograph
- Chronometer
- Case
- Sedna Gold 42mm
- Dial Color
- Brown
- Crystal
- Sapphire
- Water Resistance
- 50
Current Listings
![[WTS] Omega Speedmaster Pilot 332.10.41.51.01.002](https://preview.redd.it/rhpdt6bbokhg1.jpeg?auto=webp&s=ec761e07ef758205f1ba2203ffebdaa90cbd5a7c)
Omega Speedmaster Pilot 332.10.41.51.01.002
This Omega Speedmaster Pilot is a brand new, still stickered model from 2025.
- Condition: new, unworn, unsized
- Year of production: 2025
![[WTS] Omega Speedmaster Dark Side of The Moon 44.25mm 311.92.44.51.01.007 | 2021 Complete Set w/ 2 Straps](https://preview.redd.it/aiyyp6yudkhg1.jpg?width=640&crop=smart&auto=webp&s=81a5eafe064a33bd29d847242eb5c7e9cf562c81)
Omega Speedmaster Dark Side of The Moon 44.25mm 311.92.44.51.01.007 | 2021 Complete Set w/ 2 Straps
A 2021 Omega Speedmaster Dark Side of The Moon in 44.25mm size, featuring two OEM straps and a complete set with inner and outer boxes.
- Condition: Great Pre-Owned Condition
- Case Size: 44.25mm
- Service History: Unknown
- Serial Number: 340+ AMP
![[WTS] Omega Speedmaster Reduced 3510.50](https://preview.redd.it/nt97yo2vhjhg1.jpg?width=640&crop=smart&auto=webp&s=09ad277b8ed770a1bd7d0def0721139371cb4045)
Omega Speedmaster Reduced 3510.50
For sale is an Omega Speedmaster Reduced 3510.50 in really great condition, with no major signs of wear, and running great.
- Condition: really great condition
- Payment Methods Accepted: pretty much every payment method including crypto
- No Paypal: true
- Trade Acceptable Brands: Tudor, Cartier, Rolex, Omega, Breitling, AP
![[WTS] Omega Speedmaster 324.23.38.50.02.001 38mm Co-Axial](https://preview.redd.it/0oeobxhyfjhg1.jpg?width=640&crop=smart&auto=webp&s=2df7b110d0626f0e839687893d23a651bed38403)
Omega Speedmaster 324.23.38.50.02.001 38mm Co-Axial
For sale is a super clean Omega Speedmaster with a unique gold and green bezel, sitting on a green leather strap.
- Condition: Excellent
- Case Size: 38mm diameter
- Bezel Color: gold and green
![[WTS] 2021 Omega Speedmaster Moonwatch 42mm 310.30.42.50.01.001 Stainless Steel Black Dial - $5,900](https://preview.redd.it/1lvmm9pfbjhg1.png?width=640&crop=smart&auto=webp&s=4bc3f746cb4f4c76e4236a91230c84e3ada438dc)
2021 Omega Speedmaster Moonwatch 42mm 310.30.42.50.01.001 Stainless Steel Black Dial - $5,900
This is a 2021 Omega Speedmaster Moonwatch Chronograph with a stainless steel black dial and Hesalite crystal.
- Condition: Excellent overall condition
- Box: Original Double Omega boxed
- Papers: Yes (Box and Papers)
- Warranty: 5 year manufacturer warranty
2021 Omega Speedmaster Moonwatch 42mm 310.30.42.50.01.001 Stainless Steel Black Dial - $5,900
2021 Omega Speedmaster Moonwatch in stainless steel with a black dial and 42mm case size.
- Case size: 42mm
![[WTS] Selling my Omega Speedmaster Professional Moonwatch Hesalite 311.33.42.30 with big box asking $3999 CONUS + shipping](https://preview.redd.it/2gor0lspiihg1.jpg?width=640&crop=smart&auto=webp&s=3b58c5952156912d58e21f985e8dbdd7ce5c9cae)
Selling my Omega Speedmaster Professional Moonwatch Hesalite 311.33.42.30 with big box asking $3999 CONUS + shipping
Recently purchased Omega Speedmaster Professional Moonwatch Hesalite, in good condition, with a beautifully repaired leather strap. The watch runs well and keeps time accurately.
- Condition: good condition, minor damage on leather strap
- Leather strap condition: minor damage with visible repair
- Strap included: no
![[WTS] Omega Speedmaster ref. 310.30.42.50.1.001. Super nice condition, watch only. Fully linked and running perfectly. $4900 shipped conus.](https://preview.redd.it/2nrvbojbdehg1.jpg?width=640&crop=smart&auto=webp&s=3409712a4ecd2edefad3aa8f6aeac556e72d033e)
Omega Speedmaster ref. 310.30.42.50.1.001. Super nice condition, watch only. Fully linked and running perfectly. $4900 shipped conus.
A well-maintained Omega Speedmaster in excellent working order, fully linked.
- Condition: super nice condition, watch only
![[WTS] Omega Speedmaster Reduced Black Mother of Pearl - Full Serviced! - $2,999 Shipped!](https://external-preview.redd.it/cXIzbnVoNDNwZGhnMWS7ISgFPR9dxkEkzd9yp-ffpmCIPPRB2eQAtK3fjplg.png?format=pjpg&auto=webp&s=cc0160ee050c653c06f8f89789509d204791c794)
Omega Speedmaster Reduced Black Mother of Pearl - Full Serviced! - $2,999 Shipped!
This Omega Speedmaster Reduced Black Mother of Pearl is a watch that features a unique mother-of-pearl dial. It has been fully serviced.
- Serviced: true